[pulseaudio-discuss] Crackling sound with module-loopback

[Pierre-Louis Bossart]

> I do this with (on machine A):
> pacmd load-module module-tunnel-sink server=10.186.0.111 rate=48000 channels=2
> pacmd load-module module-loopback source=alsa_input.pci-0000_00_05.0.analog-stereo sink=tunnel.10.186.0.111 latency_msec=80 rate=48000 channels=2
>
> Using this, I get sound (usually - but that's a different problem). However
> the sound is very crackly. It ranges from "slight crackle that's annoying" to
> "I can't even tell what song is playing".
>
Couple of suggestions:
- increase the latency. 80ms seems low for a network connection
- change the resampling. the default is a trivial resampler, this could 
cause quality problems as well.
Cheers,
-Pierre